Vulnerability · Published Oct 31, 2025 · Assigned by OX

CVE-2025-30191

Medium 5.4

In plain English

A medium-severity security flaw in OX App Suite from Open-Xchange GmbH. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 90.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Malicious content from E-Mail can be used to perform a redressing attack. Users can be tricked to perform unintended actions or provide sensitive information to a third party which would enable further threats. Attribute values containing HTML fragments are now denied by the sanitization procedure. No publicly available exploits are known

Affected products (as reported)

VendorProductVersions
Open-Xchange GmbH OX App Suite 0 – through 7.6.3-rev770 – through 8.35.1110 – through 8.38.820 – through 8.39.790 – through 8.40.57

Weakness: CWE-1021 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

References